chore(deps-dev): bump @fortawesome/free-solid-svg-icons (#1147)

Bumps [@fortawesome/free-solid-svg-icons](https://github.com/FortAwesome/Font-Awesome) from 6.5.1 to 6.6.0.
- [Release notes](https://github.com/FortAwesome/Font-Awesome/releases)
- [Changelog](https://github.com/FortAwesome/Font-Awesome/blob/6.x/CHANGELOG.md)
- [Commits](FortAwesome/Font-Awesome@6.5.1...6.6.0)

---
updated-dependencies:
- dependency-name: "@fortawesome/free-solid-svg-icons"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -57,7 +57,7 @@
     "@embroider/test-setup": "4.0.0",
     "@fortawesome/ember-fontawesome": "2.0.0",
     "@fortawesome/fontawesome-svg-core": "6.5.2",
-    "@fortawesome/free-solid-svg-icons": "6.5.1",
+    "@fortawesome/free-solid-svg-icons": "6.6.0",
     "broccoli-asset-rev": "3.0.0",
     "concurrently": "8.2.2",
     "ember-auto-import": "2.7.2",